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OPERATOR’S
MANUAL
Regent / 500 / 2500 Series
18HP Hydro Tractors
Mfg. No.
Description
2690436
2690472
2690499
2690572
2690585
2690581
Regent, 18HP & 38” Mower Deck
2518, 18HP & 38” Mower Deck
518, 18HP & 38” Mower Deck
Regent, 18HP & 38” Mower Deck
518, 18HP & 38” Mower Deck
2518, 18HP & 38” Mower Deck
18.5 HP Hydro Tractors
Mfg. No.
Description
2690492
2690493
2690494
2690495
2690589
2690590
2690591
2690595
Regent, 18.5HP & 38” Mower Deck (CE)
Regent, 18.5HP & 44” Mower Deck (CE)
2518, 18.5HP & 44” Mower Deck (CE)
Regent, 18.5HP & 40” Mower Deck (CE)
Regent, 18.5HP & 38” Mower Deck (CE)
Regent, 18.5HP & 44” Mower Deck (CE)
Regent, 18.5HP & 40” Mower Deck (CE)
2518, 18.5HP & 44” Mower Deck (CE)
20HP Hydro Tractors
Mfg. No.
Description
2690437
2690496
2690468
2690471
2690515
2690573
2690574
2690586
2690582
2690592
Regent, 20HP & 38” Mower Deck
Regent, 20HP & 44” Mower Deck (CE)
520, 20HP & 38” Mower Deck
2520, 20HP & 38” Mower Deck
Regent, 20HP
Regent, 20HP & 38” Mower Deck
Regent, 20HP & 44” Mower Deck
520, 20HP & 38” Mower Deck
2520, 20HP & 38” Mower Deck
Regent, 20HP & 44” Mower Deck (CE)
22HP Hydro Tractors
Mfg. No.
Description
2690438
2690467
Regent, 22HP & 44” Mower Deck
522, 22HP & 44” Mower Deck
2690470
2690516
2690575
2690583
2690587
2522, 22HP & 44” Mower Deck
Regent, 22HP
Regent, 22HP & 44” Mower Deck
2522, 22HP & 44” Mower Deck
522, 22HP & 44” Mower Deck
24HP Hydro Tractors
Mfg. No.
Description
2690439
2690466
2690469
2690576
2690584
2690588
Regent, 24HP & 50” Mower Deck
524, 24HP & 50” Mower Deck
2524, 24HP & 50” Mower Deck
Regent, 24HP & 50” Mower Deck
2524, 24HP & 50” Mower Deck
524, 24HP & 50” Mower Deck
38” Mower Decks
Mfg. No.
Description
1694885
1694936
1694974
38” Mower Deck
38” Mower Deck
38” Mower Deck (CE)
40” Mower Decks
Mfg. No.
Description
1694976
40” Mower Deck (CE)
44” Mower Decks
Mfg. No.
Description
1694886
1694937
1694975
1695011
44” Mower Deck
44” Mower Deck
44” Mower Deck (CE)
44” Mower Deck (CE)
50” Mower Decks
Mfg. No.
Description
1694887
1694938
50” Mower Deck
50” Mower Deck
1730215
Revision 09
Rev. Date 10/2006
TP 100-4209-09-RG-SMA
Table of Contents
Oil Drain Operation ...............................................27
Change Engine Oil
(Briggs & Stratton Models) ....................................27
Change Engine Oil & Filter
(Briggs & Stratton Models) ....................................27
Change Engine Oil & Filter
(Kohler Models).....................................................28
Air Filter & Pre-Cleaner Service
(Briggs & Stratton Two Cylinder Models) ..............28
Air Filter & Pre-Cleaner Service
(Briggs & Stratton Single Cylinder Models)...........29
Air Filter Service
(Kohler Models).....................................................30
Replace Spark Plugs ............................................31
Safety Rules & Information.................................2
Identification Numbers........................................7
Safety Decals .......................................................8
Safety Icons .........................................................9
Features & Controls ..........................................10
Control Functions ..................................................10
Parking Brake Function.........................................12
Cruise Control Operation ......................................12
Hourmeter .............................................................12
12 Volt Power Outlet .............................................12
Operating the Tractor ........................................13
Safety Interlock System ........................................13
General Operating Safety .....................................13
Adding Fuel ...........................................................13
Starting the Engine ...............................................13
Stopping the Tractor & Engine ..............................14
Driving the Tractor ................................................14
Mowing..................................................................14
Mowing in Reverse ...............................................14
Attachment Operation in Reverse .........................14
Pushing the Tractor by Hand ................................14
Mower Deck Removal & Installation .....................15
Adjusting Mower Cutting Height 38”, 44” & 50” Mower Decks .................................16
Adjusting Mower Cutting Height 40” Mower Decks ..................................................17
Attaching a Trailer .................................................18
Storage .................................................................18
Troubleshooting, Adjustment & Service .........32
Troubleshooting the Tractor ..................................32
Troubleshooting the Mower ..................................33
Seat Adjustment....................................................34
Brake Adjustment..................................................34
Battery Charging ...................................................34
Fuse Replacement ................................................34
PTO Clutch Adjustment ........................................35
Mower Adjustments ..............................................36
Leveling the Mower .......................................36
Lift Link Adjustment (Early Models Only) ......37
Mower Belt Replacement ......................................38
Arbor Drive Belt Replacement - 40” Mower .........39
Specifications ....................................................41
Parts & Accessories..........................................42
Lawn Care & Mowing Information .............LC—1
Regular Maintenance ........................................19
Maintenance Schedule .........................................19
Checking Tire Pressures.......................................19
Safety Interlock System Check .............................20
Blade Brake Check ...............................................20
PTO Clutch Adjustment Check .............................20
Engine Maintenance .............................................20
Battery Maintenance .............................................20
Transmission Identification ...................................21
Transmission Maintenance ...................................21
Hood Removal ......................................................21
Lubrication ............................................................22
Lubricate Rear Axes .............................................23
Servicing the Mower Blades .................................24
Check Mower Blade Timing - 40” Mowers ............25
Check & Fill Engine Oil .........................................26
NOTE: In this manual, “left” and “right” are referred to as
seen from the operating position.
1
Safety Rules & Information
Operating Safety
Congratulations on purchasing a superior-quality piece of lawn and
garden equipment. Our products are designed and manufactured to
meet or exceed all industry standards for safety.
Power equipment is only as safe as the operator. If it is misused, or
not properly maintained, it can be dangerous! Remember, you are
responsible for your safety and that of those around you.
Use common sense, and think through what you are doing. If you
are not sure that the task you are about to perform can be safely
done with the equipment you have chosen, ask a
professional: contact your local authorized dealer.
Read the Manual
The operator’s manual contains important safety information you need to be aware of
BEFORE you operate your unit as well as DURING operation.
Safe operating techniques, an explanation of the product’s features and
controls, and maintenance information is included to help you get the
most out of your equipment investment.
Be sure to completely read the Safety Rules and Information found on
the following pages. Also completely read the Operation section.
Children
Reverse
Tragic accidents can occur with children. Do not allow
them anywhere near the area of operation. Children are
often attracted to the unit and mowing activity. Never
assume that children will remain where you last saw them.
If there is a risk that children may enter the area where you
are mowing, have another responsible adult watch them.
DO NOT GIVE CHILDREN RIDES ON THIS UNIT! This
encourages them to come near the unit in the future while it
is running, and they could be seriously hurt. They may then
approach the unit for a ride when you are not expecting it,
and you may run over them.
TP 600-2459-08-UV-SMA
2
Do not mow in reverse unless
absolutely necessary. Always look
down and behind before and
while traveling in reverse
even with the mower
blades disengaged.
Safety Rules and Information
Slope Operation
You could be seriously injured or even killed if you use this unit on too
steep an incline. Using the unit on a slope that is too steep or where
you don’t have adequate traction can cause you to lose control or roll
over.
A good rule of thumb is to not operate on any slope you cannot back up
(in 2-wheel drive mode). You should not operate on inclines with a
slope greater than a 3.5 foot rise over a 20 foot length. Always drive up
and down slopes: never cross the face.
Also note that the surface you are driving on can greatly impact stability
and control. Wet grass or icy pavement can seriously affect your ability
to control the unit.
If you feel unsure about operating the unit on an incline, don’t do it. It’s
not worth the risk.
Moving Parts
This equipment has many moving parts that can injure you or someone else.
However, if you are seated in the seat properly, and follow all the rules in this
book, the unit is safe to operate.
The mower deck has spinning mower blades that can amputate hands and feet.
Do not allow anyone near the equipment while it is running!
To help you, the operator, use this equipment safely, it is equipped with an
operator-present safety system. Do NOT attempt to alter or bypass the system.
See your dealer immediately if the system does not pass all the safety interlock
system tests found in this manual.
Thrown Objects
This unit has spinning mower blades. These blades can pick up and throw
debris that could seriously injure a bystander. Be sure to clean up the area to
be mowed BEFORE you start mowing.
Do not operate this unit without the entire grass catcher or discharge guard
(deflector) in place.
Also, do not allow anyone in the area while the unit is running! If someone
does enter the area, shut the unit off immediately until they leave.
Fuel and Maintenance
Gasoline is extremely flammable. Its vapors are also extremely flammable
and can travel to distant ignition sources. Gasoline must only be used as a
fuel, not as a solvent or cleaner. It should never be stored any place where
its vapors can build up or travel to an ignition source like a pilot light. Fuel
belongs in an approved, plastic, sealed gas can, or in the tractor fuel tank
with the cap securely closed. Spilled fuel needs to be cleaned up
immediately.
Proper maintenance is critical to the safety and performance of your unit.
Be sure to perform the maintenance procedures listed in this manual,
especially periodically testing the safety system.
3
Safety Rules & Information
Read these safety rules and follow them closely. Failure to obey these rules could result in loss of control
of unit, severe personal injury or death to you, or bystanders, or damage to property or equipment.
This mowing deck is capable of amputating hands and feet and throwing objects.
The triangle
in text signifies important cautions or warnings which must be followed.
GENERAL OPERATION
16. Use extra care when loading or unloading the unit
into a trailer or truck.
17. Always wear eye protection when operating this unit.
18. Data indicates that operators, age 60 years and
above, are involved in a large percentage of power
equipment-related injuries. These operators should
evaluate their ability to operate the equipment safely
enough to protect themselves and others from injury.
19. Follow the manufacturer’s recommendations for
wheel weights or counterweights.
20. Keep in mind the operator is responsible for accidents
occurring to other people or property.
21. All drivers should seek and obtain professional and
practical instruction.
22. Always wear substantial footwear and trousers.
Never operate when barefoot or wearing sandals.
23. Before using, always visually check that the blades
and blade hardware are present, intact, and secure.
Replace worn or damaged parts.
24. Disengage attachments before: refueling, removing
an attachment, making adjustments (unless the
adjustment can be made from the operator’s
position).
25. When the machine is parked, stored, or left
unattended, lower the cutting means unless a positive
mechanical lock is used.
26. Before leaving the operator’s position for any reason,
engage the parking brake (if equipped), disengage
the PTO, stop the engine, and remove the key.
27. To reduce fire hazard, keep the unit free of grass,
leaves, & excess oil. Do not stop or park over dry
leaves, grass, or combustible materials.
28. It is a violation of California Public Resource Code
Section 4442 to use or operate the engine on or near
any forest-covered, brush-covered, or grass-covered
land unless the exhaust system is equipped with a
spark arrester meeting any applicable local or state
laws. Other states or federal areas may have similar
laws.
1. Read, understand, and follow all instructions in the
manual and on the unit before starting.
2. Do not put hands or feet near rotating parts or under
the machine. Keep clear of the discharge opening at
all times.
3. Only allow responsible adults, who are familiar with
the instructions, to operate the unit (local regulations
can restrict operator age).
4. Clear the area of objects such as rocks, toys, wire,
etc., which could be picked up and thrown by the
blade(s).
5. Be sure the area is clear of other people before
mowing. Stop the unit if anyone enters the area.
6. Never carry passengers.
7. Do not mow in reverse unless absolutely necessary.
Always look down and behind before and while
travelling in reverse.
8. Never direct discharge material toward anyone.
Avoid discharging material against a wall or
obstruction. Material may ricochet back toward the
operator. Stop the blade(s) when crossing gravel
surfaces.
9. Do not operate the machine without the entire grass
catcher, discharge guard (deflector), or other safety
devices in place.
10. Slow down before turning.
11. Never leave a running unit unattended. Always
disengage the PTO, set parking brake, stop engine,
and remove keys before dismounting.
12. Disengage blades (PTO) when not mowing. Shut off
engine and wait for all parts to come to a complete
stop before cleaning the machine, removing the grass
catcher, or unclogging the discharge guard.
13. Operate the machine only in daylight or good artificial
light.
14. Do not operate the unit while under the influence of
alcohol or drugs.
15 Watch for traffic when operating near or crossing
roadways.
TRANSPORTING AND STORAGE
4. Always follow the engine manual instructions for
storage preparations before storing the unit for both
short and long term periods.
5. Always follow the engine manual instructions for
proper start-up procedures when returning the unit to
service.
6. Never store the unit or fuel container inside where
there is an open flame or pilot light, such as in a
water heater. Allow unit to cool before storing.
1. When transporting the unit on an open trailer, make
sure it is facing forward, in the direction of travel. If
the unit is facing backwards, wind lift could damage
the unit.
2. Always observe safe refueling and fuel handling
practices when refueling the unit after transportation
or storage.
3. Never store the unit (with fuel) in an enclosed poorly
ventilated structure. Fuel vapors can travel to an
ignition source (such as a furnace, water heater, etc.)
and cause an explosion. Fuel vapor is also toxic to
humans and animals.
4
Safety Rules and Information
SLOPE OPERATION
WARNING
Slopes are a major factor related to loss-of-control and tipover accidents, which can result in severe injury or death.
Operation on all slopes requires extra caution. If you
cannot back up the slope or if you feel uneasy on it, do not
operate on it.
Control of a walk-behind or ride-on machine sliding on a
slope will not be regained by the application of the brake.
The main reasons for loss of control are: insufficient tire
grip on the ground, speed too fast, inadequate braking, the
type of machine is unsuitable for its task, lack of awareness
of the ground conditions, incorrect hitching and load
distribution.
1. Mow up and down slopes, not across.
2. Watch for holes, ruts, or bumps. Uneven terrain could
overturn the unit. Tall grass can hide obstacles.
3. Choose a slow speed so that you will not have to
stop or change speeds while on the slope.
4. Do not mow on wet grass. Tires may loose traction.
5. Always keep unit in gear especially when traveling
down slopes. Do not shift to neutral and coast
downhill.
6. Avoid starting, stopping, or turning on a slope. If tires
lose traction, disengage the blade(s) and proceed
slowly straight down the slope.
7. Keep all movement on slopes slow and gradual. Do
not make sudden changes in speed or direction,
which could cause the machine to rollover.
8. Use extra care while operating machines with grass
catchers or other attachments; they can affect the
stability of the unit. Do not use on steep slopes.
9. Do not try to stabilize the machine by putting your
foot on the ground (ride-on units).
10. Do not mow near drop-offs, ditches, or
embankments. The mower could suddenly turn over
if a wheel is over the edge of a cliff or ditch, or if an
edge caves in.
11. Do not use grass catchers on steep slopes.
12. Do not mow slopes you cannot back up them.
13. See your authorized dealer/retailer for
recommendations of wheel weights or
counterweights to improve stability.
14. Remove obstacles such as rocks, tree limbs, etc.
15. Use slow speed. Tires may lose traction on slopes
even through the brakes are functioning properly.
16. Do not turn on slopes unless necessary, and then,
turn slowly and gradually downhill, if possible.
Never operate on slopes greater than 17.6 percent
(10°) which is a rise of 3-1/2 feet (106 cm) vertically in
20 feet (607 cm) horizontally.
When operating on slopes use additional wheel
weights or counterweights. See your dealer/retailer
to determine which weights are available and
appropriate for your unit.
Select slow ground speed before driving onto slope.
In addition to front weights, use extra caution when
operating on slopes with rear-mounted grass
catchers.
Mow UP and DOWN the slope, never across the
face, use caution when changing directions and DO
NOT START OR STOP ON SLOPE.
CHILDREN
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the
unit and the mowing activity. Never assume that children
will remain where you last saw them.
1. Keep children out of the mowing area and under the
watchful care of another responsible adult.
2. Be alert and turn unit off if children enter the area.
3. Before and during reverse operation, look behind and
down for small children.
4. Never carry children, even with the blade(s) off. They
may fall off and be seriously injured or interfere with
safe unit operation. Children who have been given
rides in the past may suddenly appear in the mowing
area for another ride and be run over or backed over
by the machine.
5. Never allow children to operate the unit.
6. Use extra care when approaching blind corners,
shrubs, trees, or other objects that may obscure
vision.
EMISSIONS
1. Engine exhaust from this product contains chemicals
known, in certain quantities, to cause cancer, birth
defects, or other reproductive harm.
2. Look for the relevant Emissions Durability Period and
Air Index information on the engine emissions label.
TOWED EQUIPMENT (RIDE-ON UNITS)
IGNITION SYSTEM
1. Tow only with a machine that has a hitch designed
for towing. Do not attach towed equipment except at
the hitch point.
2. Follow the manufacturer’s recommendations for
weight limit for towed equipment and towing on
slopes.
3. Never allow children or others in or on towed
equipment.
4. On slopes, the weight of the towed equipment may
cause loss of traction and loss of control.
5. Travel slowly and allow extra distance to stop.
6. Do not shift to neutral and coast down hill.
1. This spark ignition system complies with Canadian
ICES-002.
5
Safety Rules & Information
SERVICE AND MAINTENANCE
Safe Handling of Gasoline
1. Extinguish all cigarettes, cigars, pipes, and other
sources of ignition.
2. Use only approved gasoline containers.
3. Never remove the gas cap or add fuel with the engine
running. Allow the engine to cool before refueling.
4. Never fuel the machine indoors.
5. Never store the machine or fuel container where
there is an open flame, spark, or pilot light such as
near a water heater or other appliance.
6. Never fill containers inside a vehicle or on a truck bed
with a plastic bed liner. Always place containers on
the ground away from your vehicle before filling.
7. Remove gas-powered equipment from the truck or
trailer and refuel it on the ground. If this is not
possible, then refuel such equipment on a trailer with
a portable container, rather than from a gasoline
dispenser nozzle.
8. Keep nozzle in contact with the rim of the fuel tank or
container opening at all times until fueling is
complete. Do not use a nozzle lock-open device.
9. If fuel is spilled on clothing, change clothing
immediately.
10. Never over-fill the fuel tank. Replace gas cap and
tighten securely.
11. Use extra care in handling gasoline and other fuels.
They are flammable and vapors are explosive.
12. If fuel is spilled, do not attempt to start the engine but
move the machine away from the area of spillage and
avoid creating any source of ignition until fuel vapors
have dissipated.
13. Replace all fuel tank caps and fuel container caps
securely.
13. If the fuel tank must be drained, it should be drained
outdoors.
14. Replace faulty silencers/mufflers.
15. Use only factory authorized replacement parts when
making repairs.
16. Always comply with factory specifications on all
settings and adjustments.
17. Only authorized service locations should be utilized
for major service and repair requirements.
18. Never attempt to make major repairs on this unit
unless you have been properly trained. Improper
service procedures can result in hazardous operation,
equipment damage and voiding of manufacturer’s
warranty.
19. On multiple blade mowers, take care as rotating one
blade can cause other blades to rotate.
20. Do not change engine governor settings or overspeed the engine. Operating the engine at excessive
speed can increase the hazard of personal injury.
21. Disengage drive attachments, stop the engine,
remove the key, and disconnect the spark plug
wire(s) before: clearing attachment blockages and
chutes, performing service work, striking an object, or
if the unit vibrates abnormally. After striking an
object, inspect the machine for damage and make
repairs before restarting and operating the
equipment.
22. Never place hands near the moving parts, such as a
hydro pump cooling fan, when the tractor is running.
(Hydro pump cooling fans are typically located on top
of the transaxle).
23. Units with hydraulic pumps, hoses, or motors:
WARNING: Hydraulic fluid escaping under pressure
may have sufficient force to penetrate skin and cause
serious injury. If foreign fluid is injected into the skin it
must be surgically removed within a few hours by a
doctor familiar with this form of injury or gangrene
may result. Keep body and hands away from pin
holes or nozzles that eject hydraulic fluid under high
pressure. Use paper or cardboard, and not hands, to
search for leaks. Make sure all hydraulic fluid
connections are tight and all hydraulic hoses and
lines are in good condition before applying pressure
to the system. If leaks occur, have the unit serviced
immediately by your authorized dealer.
24. WARNING: Stored energy device. Improper release
of springs can result in serious personal injury.
Springs should be removed by an authorized
technician.
25. Models equipped with an engine radiator: WARNING:
Stored energy device. To prevent serious bodily
injury from hot coolant or steam blow-out, never
attempt to remove the radiator cap while the engine is
running. Stop the engine and wait until it is cool.
Even then, use extreme care when removing the cap.
Service & Maintenance
1. Never run the unit in an enclosed area where carbon
monoxide fumes may collect.
2. Keep nuts and bolts, especially blade attachment
bolts, tight and keep equipment in good condition.
3. Never tamper with safety devices. Check their proper
operation regularly and make necessary repairs if
they are not functioning properly.
4. Keep unit free of grass, leaves, or other debris buildup. Clean up oil or fuel spillage. and remove any fuelsoaked debris. Allow machine to cool before storage.
5. If you strike an object, stop and inspect the machine.
Repair, if necessary, before restarting.
6. Never make adjustments or repairs with the engine
running.
7. Check grass catcher components and the discharge
guard frequently and replace with manufacturer’s
recommended parts, when necessary.
8. Mower blades are sharp. Wrap the blade or wear
gloves, and use extra caution when servicing them.
9. Check brake operation frequently. Adjust and service
as required.
10. Maintain or replace safety and instructions labels, as
necessary.
11. Do not remove the fuel filter when the engine is hot
as spilled gasoline may ignite. Do not spread fuel line
clamps further than necessary. Ensure clamps grip
hoses firmly over the filter after installation.
12. Do not use gasoline containing METHANOL, gasohol
containing more than 10% ETHANOL, gasoline
additives, or white gas because engine/fuel system
damage could result.
6
Identification Numbers
Identification Numbers
SA
M
North American /
CE Models
PL
E
Mower ID Tag
Tractor ID Tag
SA
M
CE Models
(Only)
PRODUCT
REFERENCE
DATA
Model Description Name/Number
PL
E
When contacting your authorized dealer for
replacement parts, service, or information you MUST
have these numbers.
Record your model name/number, manufacturer’s
identification numbers, and engine serial numbers in the
space provided for easy access. These numbers can be
found in the locations shown.
Unit MFG Number
Unit SERIAL Number
Mower Deck MFG Number
Mower Deck SERIAL Number
Dealer Name
Date Purchased
ENGINE REFERENCE DATA
NOTE: For location of engine identification numbers,
refer to the engine owner’s manual.
Engine Make
Engine Model
Engine Type/Spec
Engine Code/Serial Number
CE Models: Place the extra copy of the identification tag
in the manual
CE Identification Tag Markings
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
A
B
Manufacturer’s Identification Number
Manufacturer’s Serial Number
Power Rating in Kilowatts
Maximum Engine Speed in Rotations per Minute
Manufacturer’s Address
Year of Manufacture
CE Compliance Logo
Mass of Unit in Kilograms
Sound Power in Decibels ***
Sound Pressure at Operator’s Position in Decibels **
Vibration at the Steering Wheel *
Vibration at the Seat *
F
G
I
C
D
J
K
L
H
E
This unit complies with European Harmonized Lawn Mower
Standard EN 836, European Machinery Directive 98/37/EC,
and European EMC Directive 89/336/EC
CE Models:
Place copy of
Identification Tag here.
* Tested according to EN 836:1997/A2:2001, EN 1032:
1996, EN 1033:1995
** Tested according to EN836:1997/A2:2001
*** Tested according to 2000/14/EC
7
Safety Decals
Safety Decals
All DANGER, WARNING, CAUTION and instructional
messages on your rider and mower should be carefully
read and obeyed. Personal bodily injury can result when
these instructions are not followed. The information is for
your safety and it is important! The safety decals below
are on your rider and mower.
This unit has been designed and manufactured to
provide you with the safety and reliability you would
expect from an industry leader in outdoor power
equipment manufacturing.
Although reading this manual and the safety instructions
it contains will provide you with the necessary basic
knowledge to operate this equipment safely and
effectively, we have placed several safety labels on the
unit to remind you of this important information while you
are operating your unit.
If any of these decals are lost or damaged, replace them
at once. See your local dealer for replacements.
These labels are easily applied and will act as a constant
visual reminder to you, and others who may use the
equipment, to follow the safety instructions necessary for
safe, effective operation.
Safety Icons
Danger: Machine Rollover.
Warning: Read Operator’s
Manual.
Do not use this machine on slopes
greater than 10°.
Read and understand the
Operator’s Manual before using
this machine.
Danger: Thrown Objects.
Danger: Dismemberment.
This machine is capable of throwing
objects and debris. Keep
bystanders away.
This machine can amputate limbs.
Keep bystanders and children away
when engine is running.
Warning: Remove Key Before
Servicing.
Danger: Dismemberment.
This mower deck can amputate
limbs. Keep hands and feet away
from blades.
Remove the key and consult
technical literature before
performing repairs or maintenance.
8
CE Safety Icons
Decals Locations
Operating Instructions,
North American Models,
Part No. 1730170
Operating Instructions,
CE Models, Part No. 1723175
RMO™ System:
This product is equipped with
the RMO system. Refer to the
operator's manual for a full
explanation of the RMO
system and for important
safety messages.
BRAKE
DANGER
DANGER
Operating on slopes
can be dangerous.
Rotating blades cut
off arms and legs.
See Operator's Manual.
If you cannot back-up a hill,
do not drive on it.
Stop Mower when children
are near.
No riders - they fall off.
WARNING
Avoid serious injury or death.
• Read Operator's Manual(s).
• Know location and function of all controls.
• Keep safety devices (guards, shields, switches, etc.)
in place and working.
• Remove objects that could be thrown by the blade.
• Do not mow when children or others are present.
• Never carry children, even with blades off.
• Look down and behind before and while backing.
• Avoid sudden turns.
• If you cannot back up a hill, do not operate on it.
• Go up and down slopes, not across.
• If machine stops going uphill, stop blade and
back down slowly.
• Be sure blade(s) and engine are stopped before
placing hands or feet near blade(s).
• When leaving machine, shut off, remove key,
and set parking brake.
- OR -
1723175
Do not tow tractor! Damage may result to transmission.
1730170
Ignition Switch
Positions
Part No. 1722806
CE - Danger, Rotating
Blades, Part No. 1720389
CE - Danger, Rotating
Blades Part No. 1720389
- OR - OR DANGER
DANGER
Amputation Hazard
To avoid injury from rotating
blades, stay clear of deck edge.
1704
To avoid injury from rotating blades and
thrown debris, stay clear of deck edge
and discharge. Do not mow without
deflector or entire grass catcher in place.
277
Amputation and
Thrown Objects Hazard
1704276
Danger, SideDischarge Models
Part No. 1704276
1730263
Free Float
- OR DANGER
Danger, Side
Discharge Models
Part No. 1704277
- OR DANGER
Amputation Hazard
To avoid injury from rotating
blades, stay clear of deck edge.
Amputation Hazard
To avoid injury from rotating
blades, stay clear of deck edge.
1720660
1720660
Decal - Danger,
Mulching Models
Part No. 1720660
Decal - Danger,
Mulching Models
Part No. 1720660
173xxxx
1730172
Fuel Level
Part No. 1730172
Transmission
Release
Part No. 1730202
Attachment Lift
Part No. 1730263
Transport
9
Features & Controls
38, 44 &
50” Models
12V
40” Models
Figure 1. Controls
Control Functions
The information below briefly describes the function of individual controls. Starting, stopping, driving, and mowing
require the combined use of several controls applied in specific sequences. To learn what combination and sequence
of controls to use for various tasks see the OPERATION section.
Headlights
Throttle Control
The throttle controls engine speed. Move the throttle
forward to increase engine speed and back to decrease
engine speed. Always operate at FULL throttle.
The light switch turns the tractor headlights on and off.
Hour Meter (Select Models)
The hour meter measures the number of hours the key
has been in the RUN position.
Choke
Close the choke for cold starting. Open the choke once
the engine starts. A warm engine may not require
choking. Move the lever forward to close the choke.
10
Features & Controls
Cutting Height Fine Tuning Adjustment
(40” Mower Decks Only)
Reverse Mowing Option (RMO)
The Reverse Mowing Option allows for mowing (or use of
other PTO driven attachments) while traveling in reverse.
If you choose to mow in reverse, turn the RMO key after
the PTO is engaged. The L.E.D. light will illuminate, and
the operator can then mow in reverse. Each time the PTO
is engaged the RMO needs to be reactivated if desired.
The cutting height fine tuning adjustment is used to set
the mower cutting height between two of the preset
cutting positions.
Attachment Lift Control Lever
The mower deck lift lever raises and lowers the mower
deck and has two positions: Transport and free-float.
Set the lever to free-float for mowing. Set the lever to
transport when using the tractor for non-mowing
applications or when transporting the tractor. DO NOT
engage the PTO with the mower in the raised transport
position or you may damage the belt.
PTO Switch
The PTO (Power Take-Off) switch engages and
disengages attachments that use the PTO. To engage the
PTO, pull UP on the switch. Push DOWN to disengage.
Note that the operator must be seated firmly in the tractor
seat for the PTO to function.
Ignition Switch
Seat Adjustment Lever
The seat can be adjusted forward and back. Move the
lever, position the seat as desired, and release the lever
to lock the seat into position.
The ignition switch starts and stops the engine, it has three
positions:
OFF
RUN
Stops the engine and shuts off the
electrical system.
Transmission Release Valve Lever
The transmission release valve lever deactivates the
transmission so that the tractor can be pushed by hand.
See PUSHING THE TRACTOR BY HAND for
operational information.
Allows the engine to run and powers the
electrical system.
START
Cranks the engine for starting.
NOTE: Never leave the ignition switch in the RUN position
with the engine stopped–this drains the battery.
Fuel Tank
To remove the cap, turn counterclockwise.
Ground Speed Pedals
12V Power Outlet (Select Models)
The tractor’s forward ground speed is controlled by the
forward ground speed control pedal. The tractor’s reverse
ground speed is controlled by the reverse ground speed
control pedal.
The power outlet is 12V-DC. Accessory must be rated at
9 amps or less.
Depressing either pedal will increase ground speed. Note
that the further down the pedal is depressed, the faster the
tractor will travel.
Fuel Level Gauge
Displays the fuel level in the tank.
Cruise Control
Parking Brake
The cruise control is used to lock the ground speed control
in forward. The cruise control has five lock positions.
The parking brake knob is used to lock the parking brake
when the tractor is stopped. Fully depressing the brake
pedal and pulling up on the knob engages the parking
brake. Refer to page 12 for a full explanation of parking
brake functions.
Mower Height of Cut Adjustment
38”, 44, & 50” MOWER DECKS - The cutting height
adjustment knob controls the mower cutting height. The
cutting height is infinitely adjustable between 1-1/2” and 4.”
Brake Pedal
Depressing the brake pedal applies the tractor brake.
40” MOWER DECKS - The cutting height adjustment lever
controls the mower cutting height. Push down on the
button to release the lever, move to the desired cutting
height, and release the button to lock. The cutting height
is infinitely adjustable between 1” and 3-5/8.”
11
Features & Controls
Parking Brake Function
Applying the Parking Brake - See Figure 2. To lock
the parking brake, release the ground speed pedals (A),
fully depress the brake pedal (B), pull UP on the parking
brake knob (C), and then release brake pedal.
E
B
Releasing the Parking Brake - See Figure 2. To
release the parking brake, depress the brake pedal (B).
A
Cruise Control Operation
C
D
TO ENGAGE:
1. Pull up on the cruise control knob (D, Figure 2).
2. Depress the forward ground speed pedal (A).
3. Lift up the Cruise control knob (D) when desired
speed is reached. The Cruise will lock in one of its
five locking positions.
F
TO DISENGAGE:
1. Depress the brake pedal (B).
Figure 2. Engaging the Parking Brake
A. Ground Speed Pedals
B. Brake Pedal
C. Parking Brake Knob
D. Cruise Control Knob
E. Hourmeter
F. 12V Power Adapter
OR
2. Depress the forward ground speed pedal (A).
Hourmeter
(Select Models)
The hour meter (E, Figure 2) measures the number of
hours the key has been in the RUN position.
12 Volt Power Outlet
(Select Models)
CAUTION
Avoid Injury. Safe operation requires your full
attention. Do not wear radio or music headphones
while operating machine.
The 12-volt accessory plug is located in the left side pod
(D, Figure 2). It can be used to power small electronic
devices. The accessory must be rated at 9 amps or less.
Note: Operating a 12-volt accessory, especially with the
engine at idle, may cause battery discharge. When not
using the accessory plug it must be covered with the
rubber plug to prevent moisture from causing a short
circuit. Entrance of water into plug can cause a short
circuit.
12
Operating the Tractor
General Operating Safety
Safety Interlock System
Tests
Be sure to read all information in the Safety and
Operation sections before attempting to operate this unit.
Become familiar with all of the controls and how to stop
the unit.
This unit is equipped with safety interlock switches and other
safety devices. These safety systems are present for your
safety: do not attempt to bypass safety switches, and never
tamper with safety devices. Check their operation regularly.
Adding Fuel
WARNING
Operational SAFETY Checks
Your unit is equipped with a seat switch safety system.
Check the seat switch operation every fall and spring with the
following tests.
Gasoline is highly flammable and must be
handled with care. Never fill the tank when the
engine is still hot from recent operation. Do not
allow open flame, smoking or matches in the
area. Avoid over-filling and wipe up any spills.
Test 1 — Engine should NOT crank if:
• PTO switch is ON, OR
• Brake pedal is NOT fully depressed (parking brake OFF),
Test 2 — Engine SHOULD crank if:
Do not use gasoline containing METHANOL,
gasohol containing more than
10% ETHANOL, gasoline additives, or white
gas because engine/fuel system damage
could result.
• PTO switch is OFF, AND
• Brake pedal is fully depressed (parking brake ON)
Test 3 — Engine should SHUT OFF if:
• Operator rises off seat with PTO engaged, OR
• Operator rises off seat with brake pedal NOT fully
depressed (parking brake OFF).
To add fuel:
1. Remove the fuel cap (A, Figure 3).
Test 4 — Blade Brake Check
2. Fill the tank. Do not overfill. Leave room in the tank
for fuel expansion. Refer to your engine manual for
specific fuel recommendations.
Mower blades and mower drive belt should come to a
complete stop within five seconds after electric PTO switch is
turned OFF (or operator rises off seat). If mower drive belt
does not stop within five seconds, re-adjust the PTO clutch
as described in the ADJUSTMENTS section or see your
dealer.
3. Install and hand tighten the fuel cap.
Starting the Engine
Test 5 — Reverse Mow Option (RMO) Check
1. While sitting in the operator’s seat, fully depress the
brake pedal or set the parking brake.
2. Make sure that your feet are not depressing the
ground speed control pedals and that the cruise
control lever is in neutral.
3. Disengage the PTO clutch.
4. Set the throttle to FULL.
5. Close the choke.
NOTE: A warm engine may not require choking.
6. Insert the ignition key and turn it to START.
7. After the engine starts, move the engine throttle
control to half speed. Warm up the engine by running
it for at least 30 seconds.
8. Set throttle to FULL.
NOTE: In the event of an emergency the engine can be
stopped by simply turning the ignition switch to STOP.
Use this method only in emergency situations. For
normal engine shut down follow the procedure given in
STOPPING THE TRACTOR.
• Engine should shut off if: PTO is engaged AND RMO is
not activated AND reverse pedal is depressed.
• RMO light should illuminate if: RMO is engaged AND
PTO switch is activated.
NOTE: Once the engine has stopped, the PTO switch must
be turned off after the operator returns to the seat in order to
start the engine.
WARNING
If the unit does not pass a safety test, do not
operate it. See your authorized dealer. Under no
circumstance should you attempt to defeat the
purpose of the safety interlock system.
13
Operating the Tractor
Stopping the Tractor & Engine
Mowing in Reverse
1. Return the ground speed control(s) to neutral.
2. Disengage the PTO and wait for all moving parts to
stop.
3. Briggs & Stratton Models: Move the throttle control to
SLOW position and turn the ignition key to OFF.
Remove the key.
Kohler Models: Move the throttle control to FAST
position and turn the ignition key to OFF. Remove the
key.
If an operator chooses to mow in reverse, the RMO
system can be used. To use the Reverse Mowing
Option (RMO) turn the RMO key after the PTO is
engaged. The L.E.D. light will illuminate, and the
operator can then mow in reverse. Each time the PTO is
engaged the RMO needs to be reactivated if desired.
The key should be removed to restrict access to the
RMO feature.
Driving The Tractor
Attachment Operation in Reverse
1. Sit in the seat and adjust the seat so that you can
comfortably reach all the controls and see the
dashboard display.
2. Engage the parking brake.
3. Make sure the PTO switch is disengaged.
4. Start the engine (see STARTING THE ENGINE).
5. Disengage the parking brake and release the brake
pedal.
6. Depress the forward ground speed control pedal to
travel forward. Release the pedal to stop. Note that the
further down the pedal is depressed the faster the
tractor will travel.
7. Stop the tractor by releasing the ground speed control
pedals, setting the parking brake, and stopping the
engine (see STOPPING THE TRACTOR AND
ENGINE).
If an operator chooses to operate a PTO driven
attachment in reverse, the RMO system can be used.
To use the Reverse Mowing Option (RMO) turn the RMO
key after the PTO is engaged. The L.E.D. light will
illuminate, and the operator can then operate the
attachment in reverse. Each time the PTO is
disengaged the RMO needs to be reactivated if desired.
The key should be removed to restrict access to the
RMO feature.
Pushing the Tractor by Hand
1. Disengage the PTO and turn the engine off.
2. Pull the transmission release (B, Figure 3) back
approximately 2-3/8” (6 cm) to lock into released
position.
3. The tractor can now be pushed by hand.
Mowing
1. Set the mower cutting height to the desired level and set
the gauge wheels to the appropriate position (if
equipped).
2. Engage the parking brake. Make sure the PTO switch
is disengaged.
3. Start the engine (see STARTING THE ENGINE).
4. Fully lower the mower using the attachment lift lever and
set cutting height.
5. Set the throttle to FULL.
6. Engage the PTO (Mower Deck).
7. Begin mowing. See Section LC for tips on mowing
patterns, lawn care, and troubleshooting information.
8. When finished, shut off the PTO and raise the mower
using the attachment lift control lever.
9. Stop the engine (see STOPPING THE TRACTOR AND
ENGINE).
DO NOT TOW TRACTOR
Towing the unit will cause transmission
damage. • Do not use another vehicle to
push or pull this unit. • Do not actuate the
transmission release valve lever while the
engine is running.
WARNING
The engine will shut off if the reverse ground
speed pedal is depressed while the PTO is on and
the RMO has not been activated. The operator
should always turn the PTO off prior to driving
across on roads, paths or any area that maybe
used by other vehicles. Sudden loss of drive
could create a hazard.
A
WARNING
Mowing in reverse can be hazardous to
bystanders. Tragic accidents can occur if the
operator is not alert to the presence of children.
Never activate RMO if children are present.
Children are often attracted to the unit and the
mowing activity.
B
Figure 3. Transmission Release Lever & Fuel Tank
A. Fuel Tank Cap.
B. Transmission Release Lever
14
Operating the Tractor
Mower Deck Removal & Installation
D
WARNING
C
Engage parking brake, disengage PTO, stop
engine and remove key before attempting to
install or remove the mower.
B
D
Removing the Mower Deck
A
Later Models
1. Park tractor on a hard, level surface such as a
concrete floor. Turn off PTO switch and engine,
remove the key and apply parking brake.
2. Place mower in the lowest cutting position using the
mower height adjuster (B, Figure .
D
C
D
3. Place the attachment lift in the lowest position (A,
Figure 7 or 8).
B
4. Move idler arm (A, Figure 5) to relieve belt tension.
Remove belt from PTO pulley (B).
A
5. Remove hair pin (B, Figure 4) and washer (C).
Disconnect the lift cable & pin (D) from the lift hole(s)
(A). Re-install washer (C) and hair pin (B) to prevent
loss.
Early Models
Figure 4. Lift Cable
(Viewed from underneath right side of tractor)
A. Lift Hole(s), 11/32” (8.7mm)
B. Hair Pin
C. Washer
D. Lift Cable & Pin
CAUTION
The muffler and surrounding areas may be hot.
6. Turn wheels straight ahead. Pull back on springloaded lever (B, Figure 6) and lift mower hitch off of
the tractor brackets.
7. Turn wheels fully left, and slide mower deck out right
side of tractor.
Installing the Mower Deck
1. Park tractor, shut off PTO and engine, remove the
key and apply parking brake. Turn the wheels fully to
the left.
B
2. Place mower height adjuster (B, Figures 7) in the
lowest cutting position. Place the mower lift lever (A)
in the lowest position. Slide mower deck under right
side of tractor so that mower hitch is aligned with the
front tractor hitch.
3. Turn wheels straight. Pull back on the spring-loaded
lever (B, Figure 6) while lifting up on the mower hitch.
Install mower hitch onto tractor hitch brackets (A).
When properly installed, the spring-loaded lever
should seat fully underneath the brackets.
Figure 5. Removing & Installing Belt
A. Idler Arm
B. PTO Pulley
4. Connect the lift cable & pin (D, Figure 4) to the tractor
lift hole(s) (A) using the flat washer (C) and hair pin
(B).
Note: On models with multiple holes use the same hole
(upper, center or lower) on each side to keep deck level.
5. Move idler arm (A, Figure 5) to relieve belt tension.
Install belt onto the PTO pulley (B).
15
A
Operating the Tractor
B
A
A
B
Figure 6. Mower Hitch
A. Tractor Hitch Brackets
B. Spring-Loaded Lever
Figure 7. Raising & Lowering Mower
A. Mower Lift Lever
B. Mower Height Adjuster
Adjusting Mower Cutting Height 38”, 44”, & 50” Mower Decks
B
The mower lift lever (A, Figure 7) is used to lower the
deck to cutting position of raise the deck to transport
position.
To lower the deck, pull back slightly on the mower lift
lever (A), push it to the left and slide it down. To raise
the deck to transport pull up on the mower lift lever (A)
and lock in notch to the right. Do not cut in transport.
The cutting height adjustment knob (B, Figure 7) controls
the mower cutting height. The cutting height is infinitely
adjustable between approximately 1-1/2” and 4” (3,8-10
cm). Turn the knob clockwise to raise the deck and
counterclockwise to lower it.
A
Figure 8. Raising & Lowering Mower - 40” Mowers
A. Mower Lift Lever
B. Mower Height Adjuster
Adjusting Mower Cutting Height A
40” Mower Decks
B
The cutting height adjustment lever (A, Figure 9) controls
the mower cutting height and has five positions. The
highest cutting position should be used when
transporting to and from the work site (do not cut with the
lever in the highest position). The lower four positions
are used when mowing.
Set this lever so that the deck is cutting off 1/3 the height
of the grass or less.
If the desired cutting height falls between two notches,
use the cutting height fine tuning adjuster (B) to achieve
the correct height.
Figure 9. Cutting Height Adjustment - 40” Mowers
A. Cutting Height Lever
B. Fine Tuning Adjustment
16
Operating the Tractor
Using a Mulching Mower
(40” Mower Only)
B
Benefits of Proper Mulching
Mulching consists of a mower deck which cuts and
recuts clippings into tiny particles and then blows them
down into the lawn. These tiny particles decompose
rapidly into by-products that your lawn can use. Under
proper conditions your mulching mower virtually
eliminate noticeable clippings on the lawn surface.
A
Limitations of Mulching Decks
Mulching mowers cannot function properly if the grass is
wet, or if the grass is simply too high. Even more than
normal mowing, mulching requires that the grass be dry
and that no more than 1/3 of the height is cut.
Do not use the mower as a mulching mower during the
first two or three cuttings in the spring. The long grass
blades, quick growth, and often wetter conditions are
more suitable for broadcasting (side-discharging).
Figure 10. Installing the Side Discharge Deflector
A. Side Discharge Deflector
B. Mulching Cover
Correct Ground Speed & Engine Speed
Using the Side Discharge Deflector
Use full engine throttle to maximize mower blade tip
speed matched with a slow ground speed so that
clippings will be finely cut. Ground speed while mulching
should be half the speed used when broadcasting (sidedischarging) under similar conditions. Since mulching
requires more horse power than broadcasting, using a
proper ground speed is vitally important for good
mulching operation.
When to use the side discharge deflector: If you’ve
been on vacation or missed a mowing and the grass has
gotten very long, do not try to mulch at your normal
cutting height. To handle these situations your mulching
mower is equipped with a side discharge deflector.
Installing the side discharge deflector allows you to
broadcast clippings. Broadcasting, or side-discharging,
disperses fine clippings evenly over the entire lawn.
Always operate the engine at full throttle. Use an
appropriate ground speed for the thickness and height of
grass you are cutting. If you hear the engine slowing
down, you are mowing too fast, use a slower ground
speed. Mow when the grass is 3”-5” (7,6-12,7cm) long.
Do not cut off more than 1” (2,5cm) in a single pass.
Correct Cutting Height
Cutting off too much at one time shocks the plant’s
growth system and weakens the grass. A good rule of
thumb is the 1/3 rule: to cut no more than one third of the
grass height, and never more than 1 inch (2,5cm) at a
time.
The best mulching action typically results from cutting
only the top 1/2” to 3/4” (1,25 - 2cm) of the grass blade.
This provides short clippings which decompose properly
(much more quickly than longer clippings). The ideal
cutting height will vary with climate, time of year, and
quality of your lawn. We recommend that you
experiment with both the cutting height and ground
speed to achieve the best cut. Start with a high cutting
height and use progressively lower heights until you find
a cutting height that is matched to your mowing
conditions and preferences. For best results, overlapping
is recommended.
WARNING
Never operate the mower deck without either the
discharge chute or mulching deflector in place.
To install the side discharge chute:
1. Lift up the mulching cover (B, Figure 10).
2. Install the side discharge deflector (A) under the
mulching cover. The side discharge deflector hooks
onto the mulching cover hinge rod, and is held in
place by the mulching cover.
3. Release the mulching cover.
17
Operating the Tractor
Attaching a Trailer
The maximum horizontal drawbar force allowed is 280
Newton. The maximum vertical drawbar force is 160
Newton. This equates to a 250 lbs (113 kg) trailer on a
10 degree hill. Secure the trailer with an appropriately
sized clevis pin (A, Figure 11) and clip (B).
A
WARNING
Never store the unit (with fuel) in an enclosed,
poorly ventilated structure. Fuel vapors can
travel to an ignition source (such as a furnace,
water heater, etc.) and cause an explosion.
B
Fuel vapor is also toxic to humans and animals.
Storage
Before you store your unit for the off-season, read the
Maintenance and Storage instructions in the Safety
Rules section, then perform the following steps:
Figure 11. Trailer Weight Recommendations
A. Clevis Pin
B. Clip
• Disengage the PTO, set the parking brake, & remove
the key.
• Perform engine maintenance and storage measures
listed in the engine owner’s manual. This includes
draining the fuel system, or adding stabilizer to the
fuel (do not store a fueled unit in an enclosed
structure - see warning).
• Battery life will be increased if it is removed, put in a
cool, dry place and fully charged about once a month.
If the battery is left in the unit, disconnect the
negative cable.
Before starting the unit after it has been stored:
• Check all fluid levels. Check all maintenance items.
• Perform all recommended checks and procedures
found in the engine owner’s manual.
• Allow the engine to warm up for several minutes
before use.
18
Regular
Maintenance
MAINTENANCE SCHEDULE & PROCEDURES
The following schedule should be followed for normal care of your tractor and mower.
SAFETY ITEMS
Before
Each
Use
Every 5 Every
Hours 25
Hours
Every
100
Hours
Every
250
Hours
•
•
•
Check Safety Interlock System
Check Tractor Brakes
•
Check Mower Blade Stopping Time
TRACTOR MAINTENANCE ITEMS
Before
Each
Use
Every 5 Every
Hours 25
Hours
Every
100
Hours
•
Check Tractor/Mower for loose hardware
Every
250
Hours
•
Check / Clean Cooling Fins (If Equipped)
•
Lubricate Rear Axle Shafts
Yearly
•
Clean Battery & Cables
•
Check Tire Pressure
•
Clean Deck & Check/Replace Mower Blades**
ENGINE MAINTENANCE ITEMS
Check Engine Oil Level
Spring
& Fall
•
Check / Adjust PTO Clutch
Lubricate Tractor & Mower **
Spring
& Fall
Before
Each
Use
Every 5 Every
Hours 25
Hours
•
Every
50
Hours
Every
100
Hours
•
Check / Change Engine Air Filter *
Change Engine Oil *
•
•
B&S
Change Engine Oil & Filter *
Inspect Spark Plug(s) *
Check / Replace Fuel Filter *
• = All Models
B & S = Briggs & Stratton Models
* Refer to engine owner’s manual. Change original
engine oil after initial break-in period.
** More often in hot (over 85° F: 30° C) weather or
dusty operating conditions.
Check Tire Pressures
Service Interval: Every 25 Hours
Tire Pressure should be checked periodically, and
maintained at the levels shown in the chart. Note that
these pressures may differ slightly from the “Max
Inflation” stamped on the side-wall of the tires. The
pressures shown provide proper traction, improve cut
quality, and extend tire life.
Size
PSI
bar
22 x 10,0-8
10
0,68
20 x 8,0-8
10
0,68
15 x 6,0-6
12-14
0,82-0,96
Figure 12. Tire Pressure
19
Spring
& Fall
•
•
Regular Maintenance
Safety Interlock System Check
Battery Maintenance
Service Interval: Every Fall & Spring
WARNING
Check the function of the safety interlock system using
the test procedure found on page 13 of this manual. If
the tractor fails any of the tests, see your dealer.
When removing or installing battery cables,
disconnect the negative cable FIRST and reconnect
it LAST. If not done in this order, the positive
terminal can be shorted to the frame by a tool.
Blade Brake Check
Service Interval: Every 100 Hours or Fall & Spring
Cleaning the Battery and Cables
Mower blades and mower drive belt should come to a
complete stop within five seconds after the electric PTO
switch is turned off.
Service Interval: Every 100 Hours
1. Disconnect the cables from the battery, negative
cables first (A, Figure 13) then the cover & positive
cables (B).
1. With tractor in neutral, PTO disengaged and operator
in seat, start the engine.
2. Loosen the wingnut & washer (D).
2. Look over the left-hand footrest at the mower drive
belt. Engage the PTO and wait several seconds.
Disengage the PTO and check the amount of time it
takes for the mower drive belt to stop.
3. Pivot the hold-down rod (C) up and away from
battery. Secure to steering tower.
4. Remove the battery (E).
3. If mower drive belt does not stop within five seconds,
re-adjust the clutch or see your dealer.
5. Clean the battery compartment with a solution of
baking soda and water.
PTO Clutch Adjustment Check
6. Clean the battery terminals and cable ends with a
wire brush and battery terminal cleaner until shiny.
Service Interval: Every 250 Hrs
7. Reinstall the battery (E) in the battery compartment.
Secure with the battery hold-down rod (C) and
wingnut & washer (D).
Check the PTO clutch adjustment after every 250 hours
of operation–or if the clutch starts slipping or will not
engage. Check and adjust the clutch using the
procedure outlined in the Adjustments section of this
manual.
8. Re-attach the battery cables, positive cables and
cover first (B) then the negative cables (A).
9. Coat the cable ends and battery terminals with
petroleum jelly or non-conducting grease.
Engine Maintenance
Refer to the engine owner’s manual for all engine
maintenance procedures and recommendations.
A
D
B
C
E
Figure 13. Battery Maintenance
A. Negative Cables
B. Positive Cables & Cover
C. Hold-Down Rod
D. Wingnut & Washer
E. Battery
20
Regular Maintenance
Transmission Identification
To determine what transmission is in your tractor, check
the identification tag attached to the axle of the
transmission (Figure 14), or check your tractor’s parts
book.
Transmission Maintenance
TUFF TORQ K46Z
10010101 10010101010
K46 Maintenance
A
The K46 is a sealed unit and does not require regular
maintenance. If the transmission lacks drive or is
excessively noisy, it may need to be purged. See Dealer
for service.
Figure 14. Transmission ID Tag Location
A. ID Tag
Hood Removal and Installation
HOOD REMOVAL
1. Open the hood.
2. Remove the socket and bulbs (A, Figure 15) by
twisting the socket counterclockwise and pulling it out
of the bezel (B). Repeat on other side.
3. Rock the hood back slightly and lift hood (B, Figure
16) off pivot posts(C). Set hood on a clean and flat
surface.
A
A
HOOD INSTALLATION
B
1. Set hinge posts (A, Figure 16) onto pivot posts (C).
2. Roll the hood forward until it reaches the stops (D).
3. Install the socket and bulb (A) by pushing it into the
bezel (B) twisting the socket and bulb clockwise.
Repeat on other side.
4. Close the hood.
Figure 15. Head Light
A. Socket and Bulb
B. Bezel
B
D
A
C
Figure 16. Hood Removal and Installation
A. Hinge Post
B. Hood
C. Pivot Post
D. Stop
21
Regular Maintenance
Lubrication
Oil:
Service Interval: Every 25 Hours
• foot pedal rods & brackets
• seat adjustment assembly
• draglink
• mower deck height adjustment linkage
• transmission idler assembly
Lubricate the unit at the locations shown in Figures 1720 as well as the lubrication points listed. Generally, all
moving metal parts should be oiled where contact is
made with other parts. Keep oil and grease off belts and
pulleys. Wipe surfaces clean before and after
lubrication.
Grease:
• steering linkage
• mower linkage
• rear axle shafts (remove wheel hubs)
• front axle pivot
Use grease fittings when present. Automotive
lithium grease is recommended.
Figure 17. Lubricating Tractor
22
Regular Maintenance
Figure 20. Mower Lubrication Points
H
Figure 18. Arbor Lubrication Points
A
B
C
H
D
E
G
F
Figure 21. Rear Axle Hardware
A. Key
B. Spacer
C. Wheel & Hub
D. Special Washer
E. Small Washer
F. E-Clip
G. Axle Cap
H. Large Washer
Figure 19. Lubricate Deck Linkage (38” shown)
Lubricate Rear Axle Shafts
Service Interval: Yearly
We recommend removing the rear wheel hubs and
lubricating the axle shafts yearly. This prevents the
wheel hubs from seizing onto the axle shaft and makes
future service easier.
3. Support the rear of the unit on jackstands positioned
under the rear frame.
NOTE: Your axle assembly may differ slightly from the
assembly pictured: the quantity of washers is adjusted to
allow a small amount of axle end-play.
1. Turn off the ignition, turn off the PTO, engage the
parking brake, and block the front tires.
2. Using a jack or chain hoist positioned at the center of
the rear frame, carefully jack the unit up until the rear
tires are approximately 1" - 2" (2.5-5cm) off the
ground.
4. Remove the hardware retaining the wheel assembly
to the axle and lubricate the axle shaft using antiseize compound or lithium grease.
5. Reinstall the components in reverse order of
disassembly and lower the unit. Be sure the key (A,
Figure 21) is in place in the axle keyway.
NOTE: For overall unit stability during service, do not
jack rear end higher than required for wheel removal.
23
Regular Maintenance
WARNING
For your personal safety, do not handle the sharp
mower blades with bare hands. Careless or
improper handling of blades may result in serious
injury.
WARNING
For your personal safety, blade mounting
capscrews must each be installed with a hex
washer and spring washer, then securely
tightened. Torque blade mounting capscrew to
45 - 55 ft. lbs. (61 - 75 Nm)
LOOSEN
Figure 22. Blade Removal
Servicing the Mower Blades
Service Interval: Every 100 Hours or As Required
Workbench
1. Remove mower deck (see “Mower Deck Removal”).
2. See Figure 22. To remove blade for sharpening, use
a block of wood to prevent blade rotation while
loosening the capscrew.
3. 38”, 44”, & 50” Mowers: Remove the capscrew (D,
Figure 24), spring washer (C), large washer (B), and
blade.
Nail
40” Mowers: Remove the capscrew (A, Figure 25),
spring washer (F), spline washer (G), alignment pin
(E) and blade (D). Do not remove the blade adapter
(C).
Figure 23. Balancing The Blade
4. Use a file to sharpen blade to a fine edge. If blade is
damaged, it must be replaced.
5. Balance the blade as shown in Figure 23. Center the
blade’s hole on a nail lubricated with a drop of oil. A
balanced blade will remain level.
B
A
C
D
6. Reinstall the blade (Figures 24) with the tabs pointing
up toward the mower deck as shown.
7. 38”, 44”, & 50” Mowers: Reinstall the large washer
(B, Figure 24), spring washer (C) and capscrew (D).
Use a wooden block (A) to prevent blade rotation
while tightening the capscrew (D) to 45-55 ft. lbs. (6175 Nm).
Figure 24. Blade Installation Mowers
A. 4x4 Wood Block
B. Hex Washer
C. Spring Washer
D. Blade Capscrew
40” Mowers: Positioned blades perpendicular to
each other as shown in Figure 26. If not, perform the
Mower Blade Timing procedure found in this section.
Reinstall the spline washer (G, Figure 25), spring
washer (F) and capscrew (A). Use a wooden block
(B) to prevent blade rotation while tightening the
capscrew (A) to 61-75 N.m (45-55 ft. lbs.).
24
Regular Maintenance
Check Mower Blade Timing 40” Mowers
B
C
D
E
G
Service Interval: Yearly
F
1. Turn the PTO OFF, engage the parking brake, turn
the engine off, and remove the key. Remove the
mower deck (see “Mower deck removal”).
A
2. Turn the mower deck over and check the position of
the blades. The blades must be positioned
perpendicular to each other as shown in Figure 26. If
not, proceed to step 3.
A
3. Use a block of wood (B, Figure 22) to prevent blade
rotation while loosening the capscrew.
4. Remove the capscrew (A, Figure 25), spring washer
(F), and spline washer (G).
Figure 25. Blade Installation - 40” Mowers
A. Blade Mounting Capscrew
B. 4x4 Wood Block
C. Blade Adapter
D. Blade
E. Alignment Pin
F. Spring Washer
G. Spline Washer
5. Remove the alignment pin (E, Figure 25). Rotate the
blade (D) manually until the blades are perpendicular
to each other as shown in Figure 26. It may be
necessary to remove and rotate the blade adapter
(C) to align the blade hole and adapter hole.
6. Reinstall the alignment pin (E, Figure 25), spline
washer (G), spring washer (F) and capscrew (A). Use
a wooden block (B) to prevent blade rotation while
tightening the capscrew (A) to 61-75 N.m (45-55 ft.
lbs.).
Figure 26. Check Blade Timing
25
Regular Maintenance
Check & Fill Engine Oil
Service Interval: Before each use, and every 8 hours.
B
D
1. Turn the engine off, and set the parking brake to
PARK.
2. Clean the area around the dip stick (C, Figure 27, 28,
or 29).
3. Remove the dip stick (C) and clean it with a paper
towel.
C
4. Insert the dip stick (C) back into the engine. Briggs &
Stratton Models, thread the cap back onto the tube.
Kohler Models, push cap (C) firmly into place.
5. Remove the dip stick and read the oil level. The oil
level should be between the “FULL” and “ADD” marks
(D). If not, add oil according to the oil
recommendations chart (Figure 31 or 32).
A
Figure 28. Briggs & Stratton two cylinder Models
A. Oil Drain Valve
B. Oil Filter
C. Dip Stick
D. Checking Oil Level
D
D
C
C
B
A
A
B
Figure 29. Kohler Models
A. Oil Drain Valve
B. Oil Filter
C. Dip Stick
D. Checking Oil Level
Figure 27. Briggs & Stratton single cylinder Models
A. Oil Drain Valve
B. Oil Filter
C. Dip Stick
D. Checking Oil Level
26
Regular Maintenance
Oil Drain Valve Operation
A
A
1. Place a suitable container with a 4 quart capacity
under the oil drain valve (A, Figure 27, 28, or 29).
B
B
2. Loosen or remove the dip stick (C, Figure 27, 28, or
29).
D
3. Wipe oil drain valve (B, Figure 30) and cover (C) with
paper towel or rag.
NOTE: Sliding a hose with a 1/2” (12.5 mm) inside
diameter tube over the valve nipple may aid in guiding
the draining oil.
Valve
Open
Valve
Closed
4. Rotate the drain valve (B) counter clockwise and pull
out 1/4” (6.35 mm) for engine oil to drain. Allow
ample time for complete drainage.
C
C
Figure 30. Oil Drain Valve
A. Engine Block / Valve Base
B. Oil Drain Valve
C. Cover
D. Nipple
5. After all the oil has drained, close the oil drain valve
(B) by pushing in and rotating clockwise to close.
6. Wipe the nipple (D) with paper towel or rag. Install
the cover (C) over nipple (D).
Change Engine Oil
BRIGGS & STRATTON MODELS
Use oil classified API Service Class SF,
SG, SH, SJ or better with SAE Viscosity:
Service Interval: 50 hours or once per season.
Oil Capacity: Approximately1-7/8 quarts (1.8L) without
filter change.
30 Conventional**
NOTE: Change engine oil while the engine is warm. Run
the engine for a few minutes, then shut the engine off
and allow it to cool from hot to warm.
5W-30
10W-30
Conventional*
1. Clean the area around the dip stick (C, Figure 27 or
28) and oil drain valve (A).
Synthetic 5W-30, 10W-30
2. Drain engine oil. See OIL DRAIN VALVE
OPERATION above.
˚F
-20
0
20 32 40
60
80
100
16
27
38
0 4
*CAUTION: Air cooled engines run hotter than automotive engines.
The use of non-synthetic multi-viscosity oils (5W-30, 10W-30, etc.)
in temperatures above 40º F (4ºC) will result in higher than normal
oil consumption. When using a multi-viscosity oil, check oil level
more frequently.
˚C
3. Fill the crankcase with oil. See CHECK ENGINE OIL
LEVEL.
Change Engine Oil & Filter
-30
-18
-7
**CAUTION: SAE 30 oil, if used below 40º F (4ºC), will result in hard
starting and possible engine bore damage due to inadequate
lubrication.
BRIGGS & STRATTON MODELS
Service Interval: 100 hours or once per season.
Figure 31. Recommended Engine Oil Briggs & Stratton Models
Oil Capacity: Approximately 2 quarts (1.9L) with oil filter
change.
NOTE: Change engine oil while the engine is warm. Run
the engine for a few minutes, then shut the engine off
and allow it to cool from hot to warm.
5. Turn the filter clockwise until the rubber gasket meets
the filter base. Then turn 1/2 to 3/4 turn more.
1. Clean the area around the dip stick (C, Figure 27 or
28) and oil drain valve (A).
6. Fill the crankcase with oil. See CHECK ENGINE OIL
LEVEL.
2. Drain engine oil. See OIL DRAIN VALVE
OPERATION above.
7. Test run the engine to check for leaks. Stop the
engine for 1 minute, then recheck the oil level.
3. Remove the oil filter (B). Discard the filter.
4. Using a drop of oil on your finger tip, wet the rubber
gasket on the bottom of the new filter.
27
Regular Maintenance
Change Engine Oil & Filter
Use oil classified API Service Class SG,
SH, SJ or better with SAE Viscosity:
KOHLER MODELS
Service Interval: 100 Hours.
10W-30, 30 Conventional
Or Synthetic
Oil Capacity: 1.6 Quarts (1.5L) with oil filter change.
Note: Change engine oil while the engine is warm. Run
the engine for a few minutes, then shut the engine off
and allow it to cool.
5W-20, 5W-30
Conventional
5W-20, 5W-30
Synthetic*
1. Clean the area around the dip stick (C, Figure 29)
and oil drain valve (A).
˚F
2. Drain engine oil. See OIL DRAIN VALVE
OPERATION above.
-20
0
20 32 40
60
80
100
16
27
38
0 4
*Recommended: Synthetic oils provide better starting below -10˚F.
˚C
-30
-18
-7
3. Remove the oil filter (B, Figure 29). Discard the filter.
Figure 32. Recommended Engine Oil - Kohler Models
4. Turn the new filter upside down and fill with fresh
engine oil. Allow the oil to seep into the new filter for
two minutes.
5. Using a drop of oil on your finger tip, wet the rubber
gasket on the bottom of the new filter.
6. Dump the oil out of the filter and install the filter on
the filter base. Turn the filter clockwise until the
rubber gasket meets the filter base. Then turn 2/3 to
1 full turn more.
A
7. Fill the crankcase with oil. See CHECK ENGINE OIL
LEVEL.
B
8. Test run the engine to check for leaks. Stop the
engine for 1 minute, then recheck the oil level.
Air Filter & Pre-Cleaner Service
C
BRIGGS & STRATTON TWO CYLINDER MODELS
Service Interval: Pre-Cleaner: Every 25 hours or as
required. Air Filter: Every 50 hours or as required.
Replacement Interval: Pre-Cleaner: As required. Air
Filter: Every 200 hours or once per season.
Air Filter Removal & Installation
1. Unscrew the four knobs (A, Figure 33) by turning
counter clockwise.
D
2. Remove the cover (B). Remove the filter (C) and
pre-cleaner (D).
3. Install the pre-cleaner (D) with the mesh side up.
Install the filter (C) as shown.
Figure 33. Air Filter Assembly - Briggs & Stratton
Twin Cylinder Models
A. Knobs
B. Air Filter Cover
C. Air Filter
D. Pre-Cleaner
4. Install the cover (B) making sure the tabs are inserted
into their slots. Secure by turning screws clockwise
until snug.
28
Regular Maintenance
Pre-Cleaner Service
Pre-Cleaner
Air Filter
NOTE: Replace a worn or damaged pre-cleaner.
1. Figure 34. Wash the pre-cleaner in liquid detergent
and water.
1.
1.
2.
2.
2. Squeeze the pre-cleaner dry and saturate with engine
oil. Remove all excess oil by squeezing the precleaner in an absorbent cloth.
Air Filter Service
NOTE: Replace a worn or damaged air filter.
1. Figure 34. If stamped “Washable,” the filter can be
washed with warm water and mild soap.
2. Rinse with tap water with the screen side UP allowing
dirt and debris to filter out.
Figure 34. Air Filter Service
3. Allow the filter to dry overnight before reinstalling.
Air Filter & Pre-Cleaner Service
BRIGGS & STRATTON SINGLE CYLINDER MODELS
A
Service Interval: Pre-Cleaner: Every 25 hours or as
required. Air Filter: Every 50 hours or as required.
B
Replacement Interval: Pre-Cleaner: As required. Air
Filter: Every 200 hours or once per season.
Air Filter Removal & Installation
A
B
1. Lift up on the air filter latch (A, Figure 35).
1.
2. Rotate the air filter latch (A) to the inside.
3. Pull air filter cover (B) out and off.
4. Lift air cleaner (C, Figure 37) and pre cleaner (D) if
equipped, from blower housing)
A
5. Install the pre-cleaner (D) with the mesh side up.
Install the filter (C) as shown.
2.
6. Install the cover (B) making sure the tabs are inserted
into their slots. Secure with the latch (A).
B
Pre-Cleaner Service
NOTE: Replace a worn or damaged pre-cleaner.
3.
1. Figure 36. Wash the pre-cleaner in liquid detergent
and water.
Figure 35. Air Filter Assembly - Briggs & Stratton
Single Cylinder Models
A. Air Filter Latch
B. Air Filter Cover
2. Squeeze the pre-cleaner dry. Do not oil precleaner.
Air Filter Service
NOTE: Replace a worn or damaged air filter.
1. Figure 36. If stamped “Washable,” the filter can be
washed with warm water and mild soap.
2. Rinse with tap water with the screen side UP allowing
dirt and debris to filter out.
3. Allow the filter to dry overnight before reinstalling.
29
Regular Maintenance
Pre-Cleaner
Air Filter
A
1.
C
1.
D
2.
2.
B
Figure 36. Air Filter Service
Figure 37. Air Filter Service - Briggs & Stratton
Single Cylinder Models
A. Air Filter Latch
B. Air Filter Cover
C. Air Filter
D. Pre-Cleaner
Replace Air Filter
KOHLER MODELS
Service Interval: Every 25 hours or two months, or as
required.
1. Loosen the air filter cover knobs (A, Figure 38) and
remove the cover (B). Clean out any debris from
around the air filter. Inspect the condition of the
sealing surfaces of the air filter element (C) and filter
base (D). Replace any damaged parts.
A
D
2. Remove the air filter element (C).
C
B
3. Install the new air filter element with the pleated side
out and seat it onto the edges of the air cleaner base
(D).
4. Reinstall the air filter cover (B) and secure with the
two knobs (A).
Figure 38. Air Filter Assembly - Kohler Models
A. Air Filter Cover Knobs
B. Cover
C. Air Filter
D. Base
30
Regular Maintenance
Replace Spark Plug
Service Interval: Yearly
Spark Plug Gap: .030” (.76mm)
Replacement Spark Plug
Resistor Spark Plug, Champion RC12YC
1. Stop the engine and allow it to cool.
2. See Figures 39, 40, or 41. Clean the area around the
spark plug.
3. Remove the spark plug.
4. Check the spark plug gap. It should be .030” (see
Figure 39, 40, or 41).
5. Reinstall the plug into the cylinder head. Torque the
plug to 180 in. lbs (20 N.m.).
Figure 40. Spark Plug Gapping
Figure 39. Spark Plug Gapping
Figure 41. Spark Plug Gapping
31
Troubleshooting,
Adjustment, & Service
Troubleshooting
WARNING
While normal care and regular maintenance will extend
the life of your equipment, prolonged or constant use
may eventually require that service be performed to
allow it to continue operating properly.
To avoid serious injury, perform maintenance on
the tractor or mower only when the engine is
stopped and the parking brake engaged.
Always remove the ignition key, disconnect the
spark plug wire and fasten it away from the plug
before beginning the maintenance, to prevent
accidental starting of the engine.
The troubleshooting guide below lists the most common
problems, their causes, and remedies.
See the information on the following pages for
instructions on how to perform most of these minor
adjustments and service repairs yourself. If you prefer,
all of these procedures can be performed for you by your
local authorized dealer.
Troubleshooting the Tractor
PROBLEM
CAUSE
REMEDY
Engine will not turnover or start.
1.
2.
Fully depress brake pedal.
Place in OFF position.
3.
4.
5.
6.
7.
8.
9.
Engine starts hard or runs poorly.
Engine knocks.
Excessive oil consumption.
Engine exhaust is black.
Engine runs, but tractor will
not drive.
Brake pedal not depressed.
PTO (electric clutch) switch
in ON position.
Cruise control engaged.
Out of fuel.
Engine flooded.
Fuse Blown.
Battery terminals require
cleaning.
Battery discharged or dead.
Wiring loose or broken.
10. Solenoid or starter motor faulty.
11. Safety interlock switch faulty
12. Spark plug(s) faulty, fouled
or incorrectly gapped.
13. Water in fuel.
14. Gas is old or stale.
1. Fuel mixture too rich.
2. Spark plug(s) faulty, fouled, or
incorrectly gapped.
1. Low oil level.
2. Using wrong grade oil.
1. Engine running too hot.
2.
3.
1.
2.
1.
2.
3.
4.
5.
Using wrong weight oil.
Too much oil in crankcase.
Dirty air filter.
Choke closed.
Ground speed control pedals
not depressed.
Transmission release lever
in “push” position.
Drive belt is broken.
Drive belt slips.
Parking brake is engaged.
32
Move knob to Neutral/Off position.
If engine is hot, allow it to cool, then refill
the fuel tank.
Disengage choke.
Replace.
See Battery Maintenance Section.
Recharge or replace.
Visually check wiring & replace broken or
frayed wires. Tighten loose connections.
See your dealer.
See your dealer.
Clean and gap or replace.
See engine manual.
Drain fuel & refill with fresh fuel. Replace fuel filter.
Drain fuel & refill with fresh fuel. Replace fuel filter.
Clean air filter. Check choke adjustment
Clean and gap or replace.
See engine manual.
Check/add oil as required.
See engine manual.
Clean engine fins, blower screen and
air cleaner. Clean radiator screen.
See engine manual.
Drain excess oil.
Replace air filter. See engine manual.
Open choke.
Depress pedals.
Move into drive position.
See Dealer.
See cause and remedy below.
Disengage parking brake.
Troubleshooting, Adjustment, & Service
Tractor Troubleshooting Cont.
Tractor drive belt slips.
Brake will not hold.
Tractor steers hard or
handles poorly.
1.
2.
3.
Pulleys or belt greasy or oily.
Belt stretched or worn.
Idler pulley pivot bracket
“frozen” in declutched position.
1. Internal brake worn.
1. Steering linkage is loose.
2.
3.
Improper tire inflation.
Front wheel spindle
bearings dry.
Clean as required.
See Dealer.
Remove idler pulley bracket, clean and lubricate.
See your dealer.
Check and tighten any loose connections.
See Steering Gear Adjustment.
Check and correct.
Grease spindles. See Lubricating the
Tractor.
Troubleshooting the Mower
PROBLEM
CAUSE
REMEDY
Mower will not raise.
1.
Attach or repair.
Mower cut is uneven.
1.
2.
Mower cut is rough looking.
1.
2.
3.
4.
5.
6.
Engine stalls easily with
mower engaged.
1.
2.
3.
4.
5.
6.
Excessive mower vibration.
7.
1.
2.
3.
Excessive belt wear or breakage.
Mower drive belt slips
or fails to drive.
4.
1.
2.
1.
2.
3.
4.
Lift linkage not properly attached
or damaged.
Mower not leveled properly.
Tractor tires not inflated
equally or properly.
Engine speed too slow.
Ground speed too fast.
Blades are dull.
Mower drive belt slipping
because it is oily or worn.
Check PTO (Electric Clutch)
Adjustment.
Blades not properly fastened
to arbors.
Engine speed too slow.
Ground speed too fast.
Dirty or Clogged air filter.
Cutting height set too low.
Discharge chute jamming
with cut grass.
Engine not up to operating
temperature.
Starting mower in tall grass.
Blade mounting screws
are loose.
Mower blades, arbors,
or pulleys are bent.
Mower blades are out
of balance.
Belt installed incorrectly.
Bent or rough pulleys.
Using incorrect belt.
Idler pulley spring broken or not
properly attached.
Belt stops out of adjustment.
Mower drive belt broken.
PTO clutch out of adjustment.
33
See Mower Adjustment.
See Maintenance Section.
Set to full throttle.
Slow down.
Sharpen or replace blades.
See Mower Blade Service.
Clean or replace belt as necessary.
See Adjustments Section.
See Servicing the Mower Blades.
Set to full throttle.
Slow down.
See Engine Manual.
Cut tall grass at maximum cutting
height during first pass.
Cut grass with discharge pointing toward
previously cut area.
Run engine for several minutes to warm-up.
Start the mower in a cleared area.
Tighten to 45-55 ft.lbs. (61-75 Nm).
Check and replace as necessary.
Remove, sharpen, and balance blades.
See Servicing the Mower Blades.
Reinstall Correctly.
Repair or replace.
Replace with correct belt.
Repair or replace as needed.
Check belt stops.
Replace drive belt.
Adjust PTO clutch.
Troubleshooting, Adjustment, & Service
Seat Adjustment
Seat Slide Adjustment
A
The seat can be adjusted forward and back. Move the
lever (A, Figure 42), position the seat as desired, and
release the lever to lock the seat into position.
Brake Adjustment
This unit does not have a manually adjustable brake. If
brake does not function properly see your dealer.
Battery Charging
WARNING
Figure 42. Seat Adjustment
A. Seat Adjustment Lever
Keep open flames and sparks away from the
battery; the gasses coming from it are highly
explosive. Ventilate the battery well during
charging.
A dead battery or one too weak to start the engine may
be the result of a defect in the charging system or other
electrical component. If there is any doubt about the
cause of the problem, see your dealer. If you need to
replace the battery, follow the steps under Cleaning the
Battery & Cables in the Regular Maintenance Section.
B
A
To charge the battery, follow the instructions provided by
the battery charger manufacturer as well as all warnings
included in the safety rules sections of this book. Charge
the battery until fully charged. Do not charge at a rate
higher than 10 amps.
Fuse Replacement
The fuse is a 20-amp blade type automotive fuse located
behind the battery on the steering tower. Replace only
with the same rated fuse: 20-amp.
Figure 43. Fuse
A. Fuse, 20-amp
B. Fuse Holder
To replace the fuse:
1. Open the hood and locate the fuse holder (B, Figure
43) and fuse (A) attached to the steering tower.
Broken Fusible Link
Solid Fusible Link
2. Hold the fuse holder (B) and pull out the fuse (A).
3. Inspect the fuse for a broken fusible link. See Figure
44. Replace fuse if connection is broken. If you are
not sure if the fusible link is broken, replace fuse.
4. Hold the fuse holder (B, Figure 43) and insert new
fuse (A) until it is seated properly.
A
B
Figure 44. Blade Type Fuse
A. Good Fuse with Solid Fusible link
B. No Good Fuse with Broken Fusible link
34
Troubleshooting, Adjustment, & Service
PTO clutch adjustment
A
WARNING
B
To avoid serious injury, perform adjustments only
with engine stopped, key removed and tractor on
level ground.
Check the PTO clutch adjustment after every 250 hours
of operation. Also perform the following procedure if the
clutch is slipping or will not engage, or if a new clutch
has been installed.
B
1. Remove key from ignition switch and disconnect
spark plug wires to prevent the possibility of
accidental starting while the PTO is being adjusted.
B
Figure 45. PTO Clutch Adjustment
A. Adjustment Window (Qty. 3, one shown)
B. Adjustment Nut
2. See Figure 45. Note the position of the 3 adjustment
windows (A) in the side of the brake plate and the
nylock adjustment nuts (B).
3. Insert a .012”-.015” (2,5-4mm) feeler gauge (C)
through each window, positioning the gauge between
the rotor face and the armature face as shown in
Figure 46.
C
4. Alternately tighten the adjustment nuts (B, Figure 45)
until the rotor face and armature face just contacts
the gauge.
5. Check the windows for an equal amount of tension
when the gauge is inserted and removed, and make
any necessary adjustments by tightening or
loosening the adjustment nuts.
NOTE: The actual air gap between the rotor and
armature may vary even after performing the adjustment
procedure. This is due to dimensional variations on
component parts, and is an acceptable condition.
B
Figure 46. Adjust PTO Clutch
A. Window
B. Adjustment Nut
C. Feeler Gauge
6. Check the mower blade stopping time. The mower
blades and mower drive belt should come to a
complete stop within five seconds after the electric
PTO switch is turned off.
7. Perform the BLADE BRAKE CHECK found in the
MAINTENANCE Section. Mower blades and mower
drive belt should come to a complete stop within five
seconds after electric PTO switch is turned off.
35
A
Troubleshooting, Adjustment, & Service
WARNING
Before checking mower, shut off PTO and engine,
remove the key, and allow all moving parts to
stop.
A
Mower Adjustments
Leveling The Mower
B
If the cut is uneven, the mower may need leveling.
Unequal or improper tire pressure may also cause an
uneven cut. Make sure tire pressure is correct as
specified in Checking Tire Pressure.
Figure 47. Leveling The Mower Side-to-Side
A. Outside Nut
B. Eccentric Nut
SIDE-TO-SIDE LEVELING
1. With the mower installed, place the tractor on a
smooth, level surface such as a concrete floor. Turn
the front wheels straight forward.
2. Check for bent blades and replace if necessary.
3. Place the mower in mid-cut position. Arrange the
outside mower blades so that they are pointing from
side-to-side.
A
B
4. Measure the distance between the outside tips of
each blade and the ground. If there is more than 1/8”
(3mm) difference between the measurements on
each side, proceed to step 5. If the difference is 1/8”
(3mm) or less, proceed to step 6.
5. See Figure 47. Loosen the outside nut (A). Turn the
eccentric nut (B) to raise or lower left-hand side of
mower. When mower is level, hold the eccentric nut
while tightening the outside nut.
Figure 48. Front to Back Leveling (Lift bracket and
hardware removed for clarity)
A. Rear Nut
B. Front Nut
FRONT-TO-BACK LEVELING
6. Arrange the blades so they face front-to-back.
7. Measure the distance from the ground to the front tip
of the center blade, and from the ground to rear tips
of left-hand and right-hand blades.
Front tip of the center blade should be 1/4" (6mm)
higher than rear tips of left-hand and right-hand
blades. If not, proceed with steps 8 - 9.
8. To raise front of mower deck, loosen front nut (B) and
turn rear nut (A, Figure 48) against bracket. To lower
front of mower deck, loosen rear nut (A) and the
bracket will move backwards to lengthen rod.
9. Re-check the blade measurement then tighten the
front nut (B) against the bracket to secure.
36
Troubleshooting, Adjustment, & Service
Lift Link Adjustment (Early Models
Only)
The lift link can be adjusted up to raise the transport
height of the mower deck, or lowered to increase the
amount of below-ground mower travel. The link should
be adjusted so that the attachment lift control in the
transport height position the rollers are off the ground.
A
B
1. Remove the hair pin (C, Figure 49) and washer (D)
from lift cable & pin (A).
2. Place the lift cable pin (A) in one of the three holes,
lower, center or upper.
C
D
Figure 49. Cutting Height Adjustment
A. Lift Cable & Pin
B. Lift Holes
C. Hair Pin
D. Washer
3. Place the lift cable & pin (A) into lift hole (B). Install
washer (D) and hair pin (C).
Note: Both sides must use the same hole for proper deck
leveling.
37
Troubleshooting, Adjustment, & Service
Mower Belt Replacement
A
To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
D
B
Note: It is not necessary to remove the mower to install a
new belt. However, for easier access mower can be
removed. See Mower Removal in the Operation section.
1. Park the tractor on a smooth, level surface such as a
concrete floor. Disengage the PTO, turn off the
engine and lock the parking brake. Remove the key.
C
1/8” Gap
FRONT
Left Side of Mower
2. If mower is not removed, lower the mower lift and
place the mower in the lowest cutting position.
3. Push the idler arm (A, Figure 50 or 51) to relieve belt
tension. Drop the belt from the PTO (electric clutch)
pulley.
Figure 50. Typical Mower Belt Routing Two Blade
Decks
A. Idler Pulley Arm
B. PTO Pulley (Engine)
C. Belt Stop Bracket
D. Idler Pulley Belt Guide
IMPORTANT: Note the position of all belt guides relative
to the belt and pulleys before loosening.
4. Some Models. Loosen the belt stop bracket(s) (C) or
belt covers (C).
5. Remove the old belt and replace with a new belt.
Make sure V-side of belt runs in arbor pulley grooves
and the flat backside runs against the idler pulley.
6. Some Models. Position the belt stop bracket(s) (C) in
their original positions. There must be 1/8” clearance
between the belt stop and the pulleys.
D
A
C
7. Install mower on tractor if it was removed. See
Operation section.
8. Run the mower under no-load condition for about 5
minutes
B
C
FRONT
Left Side of Mower
Figure 51. Typical Mower Belt Routing Three Blade
Decks
A. Idler Pulley Arm
B. PTO Pulley (Engine)
C. Belt Covers
D. Idler Pulley Belt Guide
38
Troubleshooting, Adjustment, & Service
A
D
C
B
A
Figure 53. Release Cogged Belt Tension
A. 3/8” Ratchet and Extension
Figure 52. Mulching Deck (Belt Covers Removed)
A. Idler Assembly Capscrew
B. Spring-Loaded Idler Assembly
C. Belt
D. Square Hole
40” Mower Arbor Drive Belt Replacement
1. With the mower deck installed, park the tractor on a
smooth, level surface such as a concrete floor.
Disengage the PTO, engage the parking brake, shut
the engine off, and remove the key.
2. Remove the mower deck (see “Mower Deck
Removal”). Remove the belt covers.
Figure 54. Mower Blade Timing
3. Loosen the idler assembly capscrew (A, Figure 52).
4. Using a ratchet (A, Figure 53), insert the end of the
extension into the square hole (D, Figure 52) and
move the idler assembly (B) to relieve tension on the
belt (C).
5. Remove the belt (C).
6. Install a new belt (C) on the pulleys as shown.
Releasing the idler assembly (A) allows the spring to
automatically tension the cogged belt.
7. Tighten the idler assembly capscrew (A). Reinstall
the belt covers.
8. Check that the blades are positioned perpendicular to
each other (see Figure 54). If not, perform the mower
blade timing procedure found in the Regular
Maintenance section.
39
NOTES
40
Specifications
NOTE: Specifications are correct at time of printing and are subject to change without notice.
ENGINE:
CHASSIS:
24 HP* Briggs & Stratton
Regent / 500 / 2500 Series
Make
Model
Horsepower
Displacement
Electrical System
Oil Capacity
Fuel Tank Cap.
Rear Wheels
Briggs & Stratton
Intek
24 @ 3600 rpm
44 Cu. in (725cc)
12 Volt, 9 amp. Alternator, Battery: 230 CCA
64 Oz. (1.9 L)
Rear Wheels
Front Wheels
Capacity: 3.5 Gallons (13,2 L)
Tire Size: 22 x 10 -8
Inflation Pressure: 10 psi (,68 bar)
Tire Size: 20 x 8.0 -8
Inflation Pressure: 10 psi (,68 bar)
Tire Size: 15 x 6.0-6
Inflation Press.: 12-14 psi (,82-0,96 bar)
22 HP* Briggs & Stratton
Make
Model
Horsepower
Displacement
Electrical System
Oil Capacity
Briggs & Stratton
Intek
22 @ 3600 rpm
40 Cu. in (656cc)
12 Volt, 9 amp. Alternator, Battery: 230 CCA
64 Oz. (1.9 L)
20 HP* Briggs & Stratton
Make
Model
Horsepower
Displacement
Electrical System
Oil Capacity
Briggs & Stratton
Intek
20 @ 3600 rpm
30.5 Cu. in (582cc)
12 Volt, 9 amp. Alternator, Battery: 230 CCA
64 Oz. (1.9 L)
18.5 HP* Briggs & Stratton
Make
Model
Horsepower
Displacement
Electrical System
Oil Capacity
Briggs & Stratton
Intek
18.5 @ 3600 rpm
38 Cu. in (502 cc)
12 Volt, 9 amp. Alternator, Battery: 230 CCA
48 Oz. (1.4 L)
TRANSMISSIONS:
K46
Type
Hydraulic Fluid
Speeds
@ 3400 rpm
Continuous Torque
Output
Drawbar Rating
Maximum Weight
on Axle
Hydrostatic Tuff Torq K46
10w 30 Premium Engine Oil
Forward: 0-5.5 MPH (9.0 km/h)
Reverse: 0-3.0 MPH (4.6 km/h)
170 ft. lbs.
227 lbs (103 kg)
675 lbs (306 kg)
DIMENSIONS:
Regent / 500 / 2500 Series
Overall Length
Overall Width
Height
72”
37”
45”
Weight:
20 HP* Kohler
Make
Model
Horsepower
Displacement
Electrical System
Oil Capacity
Kohler
Courage
20 @ 3600 rpm
32.6 Cu. in (535 cc)
12 Volt, 15 amp. Alternator, Battery: 230 CCA
51.1 Oz. (1.5L)
18 HP* Kohler
Make
Model
Horsepower
Displacement
Electrical System
Oil Capacity
Kohler
Courage
18 @ 3600 rpm
32.6 Cu. in (535 cc)
12 Volt, 15 amp. Alternator, Battery: 230 CCA
51.1 Oz. (1.5L)
18hp Tractor
w/ 38” Mower Deck
501 lbs. (227 kg)
20hp Tractor
w/ 38” Mower Deck
520 lbs. (236 kg)
22hp Tractor
w/ 44” Mower Deck
552 lbs. (250 kg)
24hp Tractor
w/ 50” Mower Deck
585 lbs. (265 kg)
* The power ratings for an individual engine model are initially developed by starting with SAE (Society of Automotive
Engineers) code J1940 (Small Engine Power & Torque Rating Procedure) (Revision 2002–05). Given both the wide
array of products on which our engines are placed, and the variety of environmental issues applicable to operating
the equipment, it may be that the engine you have purchased will not develop the rated horsepower when used in a
piece of power equipment (actual “on–site” power). This difference is due to a variety of factors including, but not
limited to, the following: differences in altitude, temperature, barometric pressure, humidity, fuel, engine lubrication,
maximum governed engine speed, individual engine to engine variability, design of the particular piece of power
equipment, the manner in which the engine is operated, engine run–in to reduce friction and clean out of combustion
chambers, adjustments to the valves and carburetor, and other factors. The power ratings may also be adjusted
based on comparisons to other similar engines utilized in similar applications, and will therefore not necessarily match
the values derived using the foregoing codes.
41
Parts &
Accessories
Replacement Parts
Technical Manuals
Replacement parts are available from your authorized
dealer. Always use genuine Simplicity Service Parts.
Additional copies of this manual are available, as well as
fully illustrated parts lists. These manuals show all of the
product’s components in exploded views (3D illustrations
which show the relationship of parts and how they go
together) as well as part numbers and quantities used.
Important assembly notes and and torque values are
also included.
Maintenance Items
Many convenient and helpful service and maintenance
items are available from you authorized dealer. Some of
these items include:
Engine Oil
Touch-Up Paint
Grease Gun Kit
8 oz. Grease Tube
For applicable manuals currently available for your
model, contact our Customer Publications Department at
262-284-8519 (Simplicity / Massey Ferguson / Agco).
Have the information listed in the box below available
when phoning in your request. Technical manuals can
be downloaded from
Tire Sealant
Degrimer/Degreaser
Gas Stabilizer
www.simplicitymfg.com
www.AGCOLawn.com,
www.MasseyLawn.com
Model:
Mfg. No.:
Your Name:
Address:
City, State, Zip:
Visa/Mastercard No.:
Card Expiration Date:
42
MANUFACTURING, INC.
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997
www.SimplicityMfg.com
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997
www.MasseyLawn.com
AGCOLawn.com
Briggs & Stratton Yard Power Products Group
Copyright © 2006 Briggs & Stratton Corporation
Milwaukee, WI USA. All Rights Reserved